900. You round up, because it is above 850. :-)
 
        
             
        
        
        
Answer:
To do this question, we must first convert Pi to a decimal form, as shown below:
Pi = 3.14 
So then our equation becomes:
3.14 x 36 - 16
We still need to remember PEMDAS.
Parentheses, Exponents, Multiplication, Division, Addition and Subtraction.
So according to PEMDAS, we need to do 3.14 x 36, which equals 113.04
Now we have to do:
113.04 - 16 = 97.04
Our answer is 97.04 
<u><em>Hope this helps - genius423</em></u>
 
        
             
        
        
        
Step-by-step explanation:
10 every 30 minutes means about one call every 3 minutes so in 6 minutes they should recieve 2 calls 
 
        
             
        
        
        
<span>50b 50=11b 95 collect the like terms 
50b-11b=95-50
39b=45 divide both sides by 39
b=1.2</span>